diff --git a/lmn-desktop.yml b/lmn-desktop.yml
index b904a2d..87e6aef 100644
--- a/lmn-desktop.yml
+++ b/lmn-desktop.yml
@@ -24,6 +24,9 @@
   vars:
     domain: "{{ ansible_domain }}"
     kerberize_uris: qgm.lan
+    realm: QGM.LAN
+    serverhostname: server
+    smb_server: server
     apt_conf: Acquire::http::Proxy "http://netboot.qgm.lan:3142/";
     ntp_serv: server.qgm.lan
     proxy: http://firewall.qgm.lan:3128
@@ -62,5 +65,5 @@
     - lmn_mount
     - lmn_kde
     - lmn_qgm
-    #- lmn_printer
+    - lmn_printer
     #- kerberize
diff --git a/qgm-desktop.yml b/qgm-desktop.yml
index bc3595f..434611b 100644
--- a/qgm-desktop.yml
+++ b/qgm-desktop.yml
@@ -8,6 +8,9 @@
   vars:
     domain: "{{ ansible_domain }}"
     kerberize_uris: qgm.lan
+    realm: QGM.LAN
+    serverhostname: server
+    smb_server: server
     apt_conf: Acquire::http::Proxy "http://netboot.qgm.lan:3142/";
     ntp_serv: server.qgm.lan
     proxy: http://firewall.qgm.lan:3128
@@ -44,5 +47,5 @@
     #- lmn_mount
     #- lmn_kde
     - lmn_qgm ## school specific customization
-    #- lmn_printer
+    - lmn_printer
     #- kerberize
diff --git a/roles/lmn_printer/defaults/main.yml b/roles/lmn_printer/defaults/main.yml
deleted file mode 100644
index cf3a823..0000000
--- a/roles/lmn_printer/defaults/main.yml
+++ /dev/null
@@ -1,2 +0,0 @@
-smb_server: "server"
-smb_share: "default-school/"
diff --git a/roles/lmn_printer/files/90-lmn-sudotools b/roles/lmn_printer/files/90-lmn-sudotools
index 1c82b4d..71c0e99 100644
--- a/roles/lmn_printer/files/90-lmn-sudotools
+++ b/roles/lmn_printer/files/90-lmn-sudotools
@@ -1,4 +1,3 @@
 %examusers ALL=(root) NOPASSWD: /usr/share/linuxmuster-linuxclient7/scripts/sudoTools
 %role-student ALL=(root) NOPASSWD: /usr/share/linuxmuster-linuxclient7/scripts/sudoTools
 %role-teacher ALL=(root) NOPASSWD: /usr/share/linuxmuster-linuxclient7/scripts/sudoTools
-
diff --git a/roles/lmn_printer/templates/network.conf.j2 b/roles/lmn_printer/templates/network.conf.j2
index 5cd39ce..f7eaeca 100644
--- a/roles/lmn_printer/templates/network.conf.j2
+++ b/roles/lmn_printer/templates/network.conf.j2
@@ -1,5 +1,5 @@
 [network]
-serverHostname = server
-domain = pn.steinbeis.schule
-realm = PN.STEINBEIS.SCHULE
+serverHostname = {{ serverhostname }}
+domain = {{ domain }}
+realm = {{ realm }}
 version = 1
diff --git a/roles/lmn_qgm/tasks/main.yml b/roles/lmn_qgm/tasks/main.yml
index 9e91036..21d9804 100644
--- a/roles/lmn_qgm/tasks/main.yml
+++ b/roles/lmn_qgm/tasks/main.yml
@@ -1,4 +1,12 @@
 ---
+- name: Enable passwordless sudo access for user ansible
+  lineinfile:
+    path: /etc/sudoers
+    state: present
+    regexp: '^ansible ALL='
+    line: 'ansible ALL=(ALL) NOPASSWD: ALL'
+    validate: '/usr/sbin/visudo -cf %s'
+
 - name: Preseed ttf-mscorefonts-installer
   ansible.builtin.debconf:
     name: ttf-mscorefonts-installer
@@ -70,9 +78,13 @@
       action/lock_screen=false
       action/start_new_session=false
       
+- name: Disable screen locking
+  ansible.builtin.copy: 
+    dest: /etc/xdg/kscreenlockerrc
+    content: |
       [Daemon][$i]
-      AutoLock=false
-      LockonResume=false
+      Autolock=false
+      LockOnResume=false
 
 - name: Download greenfoot/bluej
   ansible.builtin.get_url: